The right option for the statement "Tyndall effect is exhibited by", is:

1. Starch solution 

2. Urea solution

3. NaCl solution

4. Glucose solution

Subtopic:  Colloidal Solution |
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Measuring Zeta potential is useful in determining which of the following property of a colloidal solution:

1. Solubility.

2. Stability of the colloidal particles.

3. Size of the colloidal particles.

4. Viscosity.

Subtopic:  Colloidal Solution |
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In which of the sols, the colloidal particles are with a negative charge?

1. TiO2

2. Hemoglobin

3. Starch

4. Hydrated Al2O3

Subtopic:  Colloidal Solution |
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Which mixture of the solutions will lead to the formation of a negatively charged colloidal [AgI]I- sol?

1. 50 mL of 0.1 M AgNO3 + 50 mL of 0.1 M KI

2. 50 mL of 1 M AgNO3 + 50 mL of 0.5 M KI

3. 50 mL of 1 M AgNO3 + 50 mL of 2 M KI

4. 50 mL of 2 M AgNO3 + 50 mL of 1.5 M KI

Subtopic:  Colloidal Solution |
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Which of the following represents a Freundlich adsorption isotherm?

1. xm=kp0.3

2. xm=kp2.5

3. xm=kp-0.5

4. xm=kp-1

Subtopic:  Adsorption Isotherm |
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On which of the following properties does the coagulating power of an ion depend?

1. The magnitude of the charge on the ion alone
2. Size of the ion alone
3. Both magnitude and sign of the charge on the ion.
4. The sign of the charge on the ion alone.

Subtopic:  Colloidal Solution |
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The coagulation values in millimoles per litre of the electrolytes used for the coagulation of As2Sare given below 
I. (NaCl) = 52, II. (BeCl2) = 0.69, III. (MgSO4) = 0.22 
What is the correct order of their coagulating power?
1. I > II > III
2. II > I >III
3. III > II > I
4. III > I >II

Subtopic:  Colloidal Solution |
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What are the characteristics associated with adsorption?
1. ∆G, ∆H, and ∆S are all negative.
2. ∆G and ∆H are negative, but ∆S is positive.
3. ∆G and ∆S are negative, but ∆H is positive.
4. ∆G is negative, but ∆H and ∆S are positive.

Subtopic:  Adsorption and Absorption |
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What is the colloidal solution of fog?
1. Gas in liquid
2. Solid in gas
3. Gas in gas
4. Liquid in gas
Subtopic:  Colloidal Solution |
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Which property of colloidal solution is independent of charge on the colloidal particles?
1. Coagulation
2. Electrophoresis
3. Electroosmosis
4. Tyndall effect

Subtopic:  Colloidal Solution |
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